He has helped remove or restrict some of the most dangerous food additives from the marketplace.
These include approvals of new drugs, vaccines, medical devices (such as artificial joints and pacemakers) and food additives.
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There are not nearly enough studies that can adequately demonstrate the safety of nanoparticles in food additives or packaging.
Plant sterols derived from nuts and grains are one of the few food additives with a proved health claim.
Our knowledge about how nanomaterial food additives react in the body and their health impact is still in its infancy.
The Food Standards Agency has recently funded a project to investigate whether artificial food additives do affect the behaviour of children.
The first inkling that food additives might be linked to attention problems arose more than three decades ago, when California pediatrician Ben Feingold, M.
"I don't think there was a great deal of evidence suggesting that withdrawing food dyes and food additives were helping those children, " Pearson says.
Some reports have suggested that certain food additives can cause behavioural changes in some children, although many experts agree it is difficult to come to firm conclusions from the research carried out so far.
Since October, the list of products that has entered the country from Japan included soybean curd, dried noodles, boiled mushrooms, radish paste, cooking sauces, roasted seaweed, flavouring extracts, tea bags, wheat flour, food additives and tofu.
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Axona contains FDA-approved food additives and a special formulation of a fat called caprylic triglyceride, which Accera says provides the brain an alternative energy source to glucose called ketones after the product is metabolized by the liver.
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At its peak, the firm was an industrial powerhouse in the UK with interests in pharmaceuticals, food additives and dyes, but since the 1990s it has suffered cost pressures and refocused the business on paints and specialty chemicals.
Both of these studies -- which inspired the CSPI's petition to the FDA -- marked a departure from previous research in that they looked at children without ADHD who were not suspected of being sensitive to food additives.
The analysts at Lux reckon that the applications that are likely to cause most (real and perceived) concern are those intended to go into or onto the body: cosmetics, food additives, pharmaceutical-delivery systems, novel therapeutics and textile coatings and treatments.
Since then, and "despite extensive communications between FDA and appropriate Chinese authorities to correct the problem, we have continued to find residues of certain veterinary drugs or food additives that are not permitted for use in the United States, " she added.
But last year the Center for Science in the Public Interest (CSPI) quietly released Chemical Cuisine, an app for Android and iPhones exclusively dedicated to explaining the additives in our food, based on the impressive data collected by CSPI on more than 120 food additives.
Several recent studies found that artificial food coloring additives may increase hyperactivity.
In fast food, fillers are additives that bulk up the weight of a food with less expensive, less nutritious ingredients.
But what about all the other chemical additives in our food?
She also pointed out that additives are useful in food to keep food safe, for example by preventing mould from forming.
The world's biggest food companies are stuffing ostensibly beneficial bacteria, omega-3 fatty acids and other additives into packaged foods.
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